s6
systemd
sysvinit
Dinit
Upstart
Supervisor
M/Monit
runit is a cross-platform Unix init scheme with service supervision, a replacement for sysvinit...

PDFShift
pdflayer
PDFCrowd
DocRaptor
HTML PDF API
Doczilla
ezPDF.dev
Generate, process, and sign documents with a single API.

Which is more popular?
Based on our record, runit seems to be a lot more popular than PDFGate. While we know about 11 links to runit, we've tracked only 1 mention of PDFGate.
Website, pricing, platforms and company facts side by side.
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runit
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| Website | smarden.org | pdfgate.com |
| Pricing | — | |
| Platforms | — | |
| Company | — | 2024 |
| Listed in |
In their own words, as submitted to SaaSHub.

No description of runit yet.
PDFGate is a developer-first platform for generating PDFs, sending documents for signature, and managing document workflows. Convert HTML to PDFs, create fillable documents, and automate processing tasks like data extraction, watermarking, and encryption — all through a simple and scalable API.
What each product offers, as listed by its team.

Possible disadvantages
Walkthroughs and reviews on video.
Void Linux: Runit Service Management Basics & Custom Services
More videos
No PDFGate videos yet. You could help us improve this page by suggesting one.
How often each product is chosen within a category, 0–100% relative to the other.

As answered by people managing runit and PDFGate.
PDFGate's answer:
PDFGate covers the whole document workflow in one API. You can generate PDFs from HTML or URLs, add and fill native form fields, extract form data, and send documents for digital signature without stitching several vendors together.
PDFGate's answer:
Most HTML to PDF APIs stop once the PDF is rendered. PDFGate goes further, with fillable form fields, flattening, watermarking, password protection, compression and signing envelopes with webhooks. It also ships an MCP server, so AI agents can generate and manage PDFs directly.
PDFGate's answer:
Developers and SaaS teams that generate invoices, contracts, reports and forms from their own backend, and businesses that need those documents filled and signed.
PDFGate's answer:
PDFGate’s REST API is built with Node.js and NestJS, which handle document generation, form fields and webhooks. Digital signing runs as a separate Java service, chosen for its mature cryptography and PDF signing libraries. The platform is hosted on AWS. Developers can integrate through the REST API or through the PDFGate MCP server, which lets AI agents work with PDFs directly.
Share your experience with using runit and PDFGate. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.

RunIt is a cloud-based POS suitable for businesses in the sports, footwear, apparel, gift and merchandise sectors. It integrates with Wordpay and Vantiv Integrated Payments to provide credit card and POS processing....
We have no reviews of PDFGate yet. Be the first one to post
Recommendations tracked on public social media and blogs since March 2021.

If all you need is init (and not a process supervisor), docker comes with one called 'tini' built in. All you have to do is supply `--init` to the `docker run` command. As far as a different process supervisor, I'm not sure. I've used... - Source: Hacker News / about 1 year ago
We've all done it. (-: For some while I read people saying that, despite the existence of Paul Jarc showing how svscan as process 1 would actually work and Gerrit Pape leading the way with runit-init and demonstrating the basic idea,... - Source: Hacker News / about 1 year ago
Not so much about timeouts, but related in that it is based around managing children processes: The lineage of tools descending from daemontools for service management is worth exploring: daemontools: http://cr.yp.to/daemontools.html... - Source: Hacker News / almost 2 years ago
Hey there, I’m the founder of [PDFGate](https://pdfgate.com), an API that converts HTML into PDFs with support for fillable forms, encryption, and digital signatures. Like many here, I’ve run into the same frustration: most HTML to PDF... - Source: Hacker News / about 1 year ago
When comparing runit and PDFGate, you can also consider the following products.
s6 is a small suite of programs for UNIX, designed for process supervision. It can be used as an init system, or as separate supervision components.
Compare s6 to runit or PDFGate:

Convert any HTML documents to high-fidelity PDF using a single POST request
Compare PDFShift to runit or PDFGate:
systemd is a replacement for the init daemon for Linux (either System V or BSD-style).
Compare systemd to runit or PDFGate:

Free, powerful HTML to PDF API supporting both URL and raw HTML conversion. Unlimited document size, lightning-fast and compatible PHP, Python, Ruby, etc.
Compare pdflayer to runit or PDFGate:
Savannah is a central point for development, distribution and maintenance of free software, both GNU and non-GNU.
Compare sysvinit to runit or PDFGate:

Pdfcrowd is a Web/HTML to PDF online service. Convert HTML to PDF online in the browser or in your PHP, Python, Ruby, .NET, Java apps via the REST API.
Compare PDFCrowd to runit or PDFGate: